| Xylorhiza | |
|---|---|
|  | |
| Xylorhiza tortifolia | |
| Scientific classification  | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Subfamily: | Asteroideae | 
| Tribe: | Astereae | 
| Subtribe: | Machaerantherinae | 
| Genus: | Xylorhiza Nutt. | 
| Synonyms[1] | |
| 
 | |
Xylorhiza is a genus of flowering plants in the family Asteraceae, known as woodyasters.[2][3] These are daisylike wildflowers usually having blue to purple or white ray flowers with yellow centers of disc florets. Woodyasters are native to western North America.[4]
- Xylorhiza cognata - Mecca woodyaster - California (Imperial + Riverside Counties)
- Xylorhiza confertifolia - Henrieville woodyaster - Utah (Kane, Wayne, + Garfield Counties)
- Xylorhiza cronquistii - Cronquist's woodyaster - Utah (Kane + Garfield Counties)
- Xylorhiza frutescens - Baja California
- Xylorhiza glabriuscula - smooth woodyaster - Wyoming, Utah (Daggett County), Colorado (Routt + Moffat Counties), Montana (Carbon County), South Dakota (Harding, Butte, Fall River Counties)
- Xylorhiza orcuttii - Orcutt's aster - California (Imperial + San Diego Counties)
- Xylorhiza tortifolia - Mojave woodyaster - California, Nevada, Utah, Arizona
- Xylorhiza venusta - charming woodyaster - Utah, Colorado, New Mexico (Colfax County)
- Xylorhiza wrightii - Big Bend woodyaster - western Texas, Chihuahua
References
- 1 2 Flann, C (ed) 2009+ Global Compositae Checklist
- ↑ Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 297–298 in English
- ↑ Tropicos, Xylorhiza Nutt.
- ↑ Nesom, G.L. (2006). "Xylorhiza". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford: Oxford University Press. Retrieved 17 January 2023 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ↑ Biota of North America Program 2013 county distribution maps
External links
- USDA Plants Profile for Xylorhiza (woodyasters)
- Calflfora Database: Xylorhiza species in California — images + info links.
- Jepson Manual eFlora (TJM2) treatment of Xylorhiza
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